package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.OrderDiagService;
import com.itheima.service.ReportService;
import com.itheima.service.SetMealService;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private MemberService memberService;
    @Reference
    private SetMealService setmealService;
    @Reference
    private ReportService reportService;
    @Reference
    private OrderDiagService orderDiagService;

    @RequestMapping("/getMemberReport.do")
    public Result getMemberReport() {
        Map map = new HashMap<>();
        List<String> months = new ArrayList<>();
        try {
            //获取当前时间的日历对象
            Calendar calendar = Calendar.getInstance();
            calendar.add(calendar.MONTH, -12);   //月份往前推12个月
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy.MM");//日期模板
            for (int i = 0; i < 12; i++) {
                //遍历月份
                calendar.add(calendar.MONTH, 1); //月份+1
                String date = sdf.format(calendar.getTime());
                months.add(date); //往集合里添加月份
            }
            map.put("months", months);
            List<Integer> memberCount = memberService.findMemberCountByMonths(months);
            map.put("memberCount", memberCount);
            return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
    }

    //套餐预约占比饼形图
    @RequestMapping("/getSetmealReport.do")
    public Result getSetmealReport() {
        //使用模拟数据测试使用什么样的java对象转为饼形图所需的json数据格式
        Map<String, Object> data = new HashMap<>();

        /*List<String> setmealNames = new ArrayList<>();
        setmealNames.add("体检套餐");
        setmealNames.add("孕前检查套餐");
        data.put("setmealNames",setmealNames);*/
        try {
            List<Map<String, Object>> setmealCount = setmealService.findSetmealCount();
            data.put("setmealCount", setmealCount);

            List<String> setmealNames = new ArrayList<>();
            for (Map<String, Object> map : setmealCount) {
                String name = (String) map.get("name");//套餐名称
                setmealNames.add(name);
            }

            data.put("setmealNames", setmealNames);
            return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS, data);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }
    }

    //运营数据统计
    @RequestMapping("/getBusinessReportData.do")
    public Result getBusinessReportData() {
        try {
            Map<String, Object> data = reportService.getBusinessReportData();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, data);
        } catch (Exception e) {
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    //导出运营数据
    @RequestMapping("/exportBusinessReport.do")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response) {
        try {
            Map<String, Object> result = reportService.getBusinessReportData();
            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            String filePath = request.getSession().getServletContext().getRealPath("template") + File.separator + "report_template.xlsx";
            //基于提供的Excel模板文件在内存中创建一个Excel表格对象
            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            //读取第一个工作表
            XSSFSheet sheet = excel.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for (Map map : hotSetmeal) {  //热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");//指定以附件形式进行下载
            excel.write(out);

            out.flush();
            out.close();
            excel.close();
            return null;
        } catch (Exception e) {
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    //预约人数折线图
    @RequestMapping("/findOrderDateValue.do")
    public Result getCountReport(String value1) throws Exception {
        //用于传回页面的数据
        try {
            Map<String, Object> count = orderDiagService.findCount(value1);
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_FAIL, count);

        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    //用户没有选择日期查询显示数据
    @RequestMapping("/findOrderDate.do")
    public Result getCountReportByDate() {
        Map map = new HashMap<>();
        List<String> dates = new ArrayList<>();
        try {
            //获取当前时间的日历对象
            Calendar calendar = Calendar.getInstance();
            calendar.add(calendar.MONTH, -12);   //月份往前推一年
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");//日期模板
            for (int i = 0; i < 12; i++) {
                //遍历天数
                calendar.add(calendar.MONTH, +1);
                String date = sdf.format(calendar.getTime());
                dates.add(date); //往集合里添加月份
            }
            map.put("dates", dates);
            List<Integer> orderCount = orderDiagService.findOrderCountByDates(dates);
            List<Integer> diagCount = orderDiagService.findDiagCountByDates(dates);
            map.put("diagCount", diagCount);
            map.put("orderCount", orderCount);
            return new Result(true, "数据查询成功!", map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, "数据查询失败!");
        }
    }

    //各个套餐收入和总收入饼图
//    @RequestMapping("/getIncomeReport.do")
//    public Result getIncomeReport() {
//        //存储所有数据用于传回页面
//        Map<String, Object> data = new HashMap<>();
//        try {
//            //查询套餐及对应套餐的收入
//            List<Map<String, Object>> setmealIncome = orderDiagService.findSetmealIncome();
//            //将数据传回前端
//            data.put("setmealIncome", setmealIncome);
//            //用于存储套餐名称
//            List<String> setmealNames = new ArrayList<>();
//            for (Map<String, Object> map : setmealIncome) {
//                String name = (String) map.get("name");
//                setmealNames.add(name);
//            }
//            data.put("setmealNames", setmealNames);
//            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, data);
//        } catch (Exception e) {
//            e.printStackTrace();
//            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
//        }
//    }
    //根据输入的日期范围生成饼图
    @RequestMapping("/getSetmealReportMoneyDate.do")
    public Result getSetmealReportMoneyDate(String value1) throws Exception {
        //用于传回页面的数据
        try {
            Map<String, Object> count = orderDiagService.getSetmealReportMoneyDate(value1);
            return new Result(true, "数据查询成功!", count);

        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, "数据查询失败!");
        }
    }

    //没有输入日期范围 点击套餐收入显示当前时间一年内的数据
    @RequestMapping("/getSetmealReportMoney.do")
    public Result getSetmealReportMoney() {
        StringBuilder sb = new StringBuilder();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        Calendar calendar = Calendar.getInstance();
        calendar.add(calendar.MONTH, -12);
        sb.append(sdf.format(calendar.getTime()));
        calendar.add(calendar.MONTH, 12);
        sb.append(",").append(sdf.format(calendar.getTime()));
        //用于传回页面的数据
        try {
            Map<String, Object> count = orderDiagService.getSetmealReportMoneyDate(sb.toString());
            return new Result(true, "数据查询成功!", count);

        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, "数据查询失败!");
        }
//        //传回前端的数据
//        Map<String, Object> map = new HashMap<>();
//        //存储一年12个月
//        List<String> months = new ArrayList();
//        Calendar calendar = Calendar.getInstance();//获得日历对象，模拟时间就是当前时间
//        //计算过去一年的12个月
//        calendar.add(Calendar.MONTH, -12);//获得当前时间往前推12个月的时间
//        for (int i = 0; i < 12; i++) {
//            calendar.add(Calendar.MONTH, 1);//获得当前时间往后推一个月日期
//            Date date = calendar.getTime();
//            months.add(new SimpleDateFormat("yyyy-MM").format(date));
//        }
//        //存储套餐名称
//        List<String> setmealNames = new ArrayList<>();
//        List<Map<String, Object>> setmealAndIncome = orderDiagService.getSetmealReportMoney(months);
//        for (Map<String, Object> setmealMap : setmealAndIncome) {
//            String name = (String) setmealMap.get("name");
//            setmealNames.add(name);
//        }
//        map.put("setmealNames", setmealNames);
//        map.put("setmealIncome", setmealAndIncome);
//        return new Result(true, "数据查询成功!", map);
    }

    //查询会员年龄
    @RequestMapping("/findByAge")
    public Result findByAge() {
        try {
            return memberService.findByAge();
        } catch (Exception e) {
            return new Result(false, "获取数据出错");
        }
    }
}
